| 释义 |
ammonite/ˈæmənait/n. an extinct cephalopod mollusc of the order Ammonoidea, with a flat coiled spiral shell found as a fossil 菊石(一种已灭绝的头足目软体动物的化石介壳) [modern Latin ammonites, from medieval Latin cornu Ammonis ‘horn of Ammon’ (see AMMONIACAL), from the fossil's resemblance to the ram's horn associated with Ammon] |